Alert archive / Michigan / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 67, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at Sep 3, 2017, 10:41 PM CDT for Gogebic County, Ontonagon County, Michigan. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 3, 2017, 10:41 PM CDT (03:41 UTC)
- Expired
- Sep 3, 2017, 11:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Gogebic County, MI, Ontonagon County, MI
The radar
The Marquette radar (KMQT), 153 km from the middle of the area, began a volume at 03:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.7 hours before the alert went out and 265 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1782 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 3, 5:33 PM CDT, 5 hours 8 minutes earlier.
Area forecast discussion, Sep 3, 5:33 PM CDT, 5 hours 8 minutes before
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</html>Hazardous weather outlook, Sep 3, 3:17 PM CDT, 7 hours 24 minutes before
Hazardous Weather Outlook National Weather Service Marquette MI 417 PM EDT Sun Sep 3 2017 MIZ001>007-009>014-084-085-041200- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 417 PM EDT Sun Sep 3 2017 /317 PM CDT Sun Sep 3 2017/ This Hazardous Weather Outlook is for portions of western Upper Michigan and central Upper Michigan. .DAY ONE...Tonight Isolated to scattered thunderstorms are expected tonight. The strongest storms may produce small hail. .DAYS TWO THROUGH SEVEN...Monday through Saturday On Monday, there is a moderate to high swim risk for the Lake Superior beaches of Alger County and the Lake Michigan beaches of Schoolcraft County. Thunderstorms are possible over western Upper Michigan late Monday afternoon and across west and central Upper Michigan Monday evening. Some frost is possible over interior western Upper Michigan Wednesday night. Widespread frost is possible over the interior of west and central Upper Michigan Thursday night. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any observed hail tonight. The public may also send reports to the National Weather Service in Marquette via phone, on our web site, or through Facebook or Twitter. LSZ162-240>251-263>267-041200- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 417 PM EDT Sun Sep 3 2017 /317 PM CDT Sun Sep 3 2017/ This Hazardous Weather Outlook is for portions of Eastern Lake Superior...Central Lake Superior and Western Lake Superior. .DAY ONE...Tonight Thunderstorms are possible tonight. The strongest storms may produce small hail and gusty winds. .DAYS TWO THROUGH SEVEN...Monday through Saturday Thunderstorms are possible Monday afternoon and evening. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LMZ221-248-250-041200- Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 417 PM EDT Sun Sep 3 2017 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Tonight Thunderstorms are possible tonight. The strongest storms may produce small hail and gusty winds. .DAYS TWO THROUGH SEVEN...Monday through Saturday Thunderstorms are possible Monday evening. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. Rolfson
In the hours before
Special weather statement, Sep 3, 10:36 PM CDT, 5 minutes before
Special Weather Statement National Weather Service Marquette MI 1136 PM EDT SUN SEP 3 2017 MIZ002-009-040415- Ontonagon MI-Gogebic MI- 1136 PM EDT SUN SEP 3 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GOGEBIC AND WEST CENTRAL ONTONAGON COUNTIES UNTIL 1215 AM EDT/1115 PM CDT/... At 1136 PM EDT/1036 PM CDT/, Doppler radar was tracking a strong thunderstorm 20 miles northeast of Saxon, or 21 miles north of Ironwood, moving southeast at 55 mph. Dime size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Bessemer, Wakefield, Marenisco, Thomaston, Clark Lake, Ironwood Airport, Copper Peak, Black River Harbor and Merriweather. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. Persons in campgrounds should consider seeking sturdy shelter until this storm passes. && LAT...LON 4683 8995 4671 8951 4632 8973 4664 9037 TIME...MOT...LOC 0336Z 305DEG 49KT 4676 9022 Kluber
The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 10:07 PM CDT | Special Marine Warning | MQT | 53 min | |
| Sep 3, 10:36 PM CDT | Special Weather Statement | MQT | Gogebic | 39 min |
| Sep 4, 3:12 AM CDT | Beach Hazards Statement | MQT | Alger | 16 hr |
| Sep 4, 7:39 AM CDT | Small Craft Advisory | MQT | 11 hr | |
| Sep 4, 3:32 PM CDT | Small Craft Advisory | MQT | 52 hr | |
| Sep 4, 4:46 PM CDT | Special Weather Statement | MQT | Ontonagon | 44 min |
| Sep 4, 5:38 PM CDT | Special Weather Statement | MQT | Ontonagon | 37 min |
| Sep 4, 6:06 PM CDT | Special Weather Statement | MQT | Iron | 39 min |
| Sep 4, 6:38 PM CDT | Special Weather Statement | MQT | Iron | 37 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2017Every severe thunderstorm warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.